Benjamin has designed the roads in a new subdivision. Benjamin is a(n)
Rebecca finds a big rock on the beach. What would be an appropriate science question to ask
about the rock?
What is the rock made of?
Where should I keep the rock?
Is this the prettiest rock on the beach?
Will it make a good decoration to my room?
Joey wanted to find out when hot cocoa powder would mix in milk with just three stirs. Which of
the statements below best states a hypothesis for his experiment?
Hot cocoa needs hot milk
Hot cocoa powder will need just three stirs in milk with a temperature of 51° C.
If we are going to make hot cocoa, then we must have milk at a certain temperature.
Adding salt to the hot cocoa powder will make it mix better.
Engineers are trying to come up with a fireproof material for sofas. What is the first thing a new team will do?
write its hypothesis
choose a leader
decide what materials it needs
Why do scientists write articles and make public presentations? Select two correct answers.
to communicate their findings
to prove their hypothesis
to use other scientists as controls
to become rich and famous
so other scientists can copy their experiments